diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index d29dd7ad8..eec230c37 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -5492,7 +5492,7 @@ bool DynamicPrintConfig::support_different_extruders(int& extruder_count)
     return (variant_set.size() > 1);
 }
 
-int DynamicPrintConfig::get_index_for_extruder(int extruder_id, std::string id_name, ExtruderType extruder_type, NozzleVolumeType nozzle_volume_type, std::string variant_name) const
+int DynamicPrintConfig::get_index_for_extruder(int extruder_id, std::string id_name, ExtruderType extruder_type, NozzleVolumeType nozzle_volume_type, std::string variant_name, unsigned int stride) const
 {
     int ret = -1;
 
@@ -5509,12 +5509,12 @@ int DynamicPrintConfig::get_index_for_extruder(int extruder_id, std::string id_n
                 if (id_opt) {
                     const int id = id_opt->get_at(index);
                     if (id == extruder_id) {
-                        ret = index;
+                        ret = index * stride;
                         break;
                     }
                 }
                 else {
-                    ret = index;
+                    ret = index * stride;
                     break;
                 }
 
diff --git a/src/libslic3r/PrintConfig.hpp b/src/libslic3r/PrintConfig.hpp
index c60a4c6af..aefe3e788 100644
--- a/src/libslic3r/PrintConfig.hpp
+++ b/src/libslic3r/PrintConfig.hpp
@@ -498,7 +498,7 @@ public:
     //BBS
     bool is_using_different_extruders();
     bool support_different_extruders(int& extruder_count);
-    int get_index_for_extruder(int extruder_id, std::string id_name, ExtruderType extruder_type, NozzleVolumeType nozzle_volume_type, std::string variant_name) const;
+    int get_index_for_extruder(int extruder_id, std::string id_name, ExtruderType extruder_type, NozzleVolumeType nozzle_volume_type, std::string variant_name, unsigned int stride = 1) const;
     void update_values_to_printer_extruders(DynamicPrintConfig& printer_config, std::set<std::string>& key_set, std::string id_name, std::string variant_name, unsigned int stride = 1, unsigned int extruder_id = 0);
 
     bool is_custom_defined();